[INFO] cloning repository https://github.com/RPITechTalks/ELiLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RPITechTalks/ELiLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRPITechTalks%2FELiLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRPITechTalks%2FELiLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fce860bd8aa3da82bd1741885d8af2867fefd795
[INFO] checking RPITechTalks/ELiLang against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRPITechTalks%2FELiLang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RPITechTalks/ELiLang on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RPITechTalks/ELiLang
[INFO] finished tweaking git repo https://github.com/RPITechTalks/ELiLang
[INFO] tweaked toml for git repo https://github.com/RPITechTalks/ELiLang written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RPITechTalks/ELiLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking RPITechTalks/ELiLang against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRPITechTalks%2FELiLang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RPITechTalks/ELiLang on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RPITechTalks/ELiLang
[INFO] finished tweaking git repo https://github.com/RPITechTalks/ELiLang
[INFO] tweaked toml for git repo https://github.com/RPITechTalks/ELiLang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RPITechTalks/ELiLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/TheDan64/inkwell`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v100.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0efa2ab95970533f932c404e02e0734d8cbe51f18f660aee3fb9923b372f0809
[INFO] running `Command { std: "docker" "start" "-a" "0efa2ab95970533f932c404e02e0734d8cbe51f18f660aee3fb9923b372f0809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efa2ab95970533f932c404e02e0734d8cbe51f18f660aee3fb9923b372f0809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efa2ab95970533f932c404e02e0734d8cbe51f18f660aee3fb9923b372f0809", kill_on_drop: false }`
[INFO] [stdout] 0efa2ab95970533f932c404e02e0734d8cbe51f18f660aee3fb9923b372f0809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97810f425c0e74e1782f104e68bffa2faa2697c17c991f45f5f96afc9fae66f
[INFO] running `Command { std: "docker" "start" "-a" "a97810f425c0e74e1782f104e68bffa2faa2697c17c991f45f5f96afc9fae66f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm10-0#79070d9f)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v100.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling inkwell_internals v0.2.0 (https://github.com/TheDan64/inkwell?branch=llvm10-0#79070d9f)
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking ELiLang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `repl` and `print_ir` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 9  |     #[structopt(name = "repL", long)]
[INFO] [stdout] 10 |     repl: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     print_ir: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `pos`, and `tok` are never read
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct LexedToken {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 28 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     pos: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     tok: Token,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexedToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `pos`, and `err` are never read
[INFO] [stdout]   --> src/lexer.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct LexError {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 36 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     pos: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     err: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lexer.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<'inpt> Lexer<'inpt> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 66 |     /// Creates a new `Lexer`, given its source input.
[INFO] [stdout] 67 |     pub fn new(input: &'inpt str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `repl` and `print_ir` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 9  |     #[structopt(name = "repL", long)]
[INFO] [stdout] 10 |     repl: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     print_ir: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `pos`, and `tok` are never read
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct LexedToken {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 28 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     pos: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     tok: Token,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexedToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `pos`, and `err` are never read
[INFO] [stdout]   --> src/lexer.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct LexError {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 36 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     pos: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     err: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lexer.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<'inpt> Lexer<'inpt> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 66 |     /// Creates a new `Lexer`, given its source input.
[INFO] [stdout] 67 |     pub fn new(input: &'inpt str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "a97810f425c0e74e1782f104e68bffa2faa2697c17c991f45f5f96afc9fae66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97810f425c0e74e1782f104e68bffa2faa2697c17c991f45f5f96afc9fae66f", kill_on_drop: false }`
[INFO] [stdout] a97810f425c0e74e1782f104e68bffa2faa2697c17c991f45f5f96afc9fae66f